Looks like NAT network feature in VirtualBox is still very unstable.
So, will add iptables rule for Linux and pf rules for MacOS.
Not sure what is possible under Windows.
Adding Windows bridge to host-only network leads to immediate phisycal network port blocking on switch side due to network loop.
It happens because Windows adds bridge first, with default settings, and allows to configure it after addition only.
Looks like NAT network feature in VirtualBox is still very unstable.
So, will add iptables rule for Linux and pf rules for MacOS.
Not sure what is possible under Windows.
Adding Windows bridge to host-only network leads to immediate phisycal network port blocking on switch side due to network loop.
It happens because Windows adds bridge first, with default settings, and allows to configure it after addition only.